Used by the routine at 60347. This special location handler routine is invoked when a character moves right from the top-right edge of the roof of the apartment building next to no. 74 or the apartment building next to no. 19 (see 50165), or moves left or right from the top-left edge of the roof of no. 17 (see 50048).

The other special location handler routine addresses can be found at 40982, 41494, 41750, 42006, 42262 and 42518.